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- piperonal thiosemicarbazone 3,4-亚甲二氧基苯甲醛缩氨基硫脲
- Products containing piperonal have been obtained by electrolysis. 分析结果表明,电解产物中含有胡椒醛。
- Under the condition, the yield of piperonal could reach 91%. 在此条件下实际合成洋茉莉醛产率为91%25。
- Keywords Piperonal;Thiosemicarbazone;Schiff base complex.; 胡椒醛;缩氨基硫脲;希夫碱配合物;
- A novel compaund, 4-chlorochalcone thiosemicarbazone (CCT), was synthesized and investigated for the first time. 摘要合成了新化合物4-氯查尔酮缩氨基硫脲(CCT)并进行了表征；
- A novel compaund,4-chlorochalcone thiosemicarbazone(CCT),was synthesized and investigated for the first time. 合成了新化合物4-氯查尔酮缩氨基硫脲(CCT)并进行了表征;
- Methods: Five Schiff bases were prepared from piperonal and diamines by condensation reaction. 目的:合成新的双-胡椒醛缩二胺类席夫碱化合物。
- The second one is electrochemical oxidation of the hydrolysis product of epoxidc, from which piperonal can be obtained. 第二次是环氧化物的水解产物(双醇化物)的电氧化得到洋茉莉醛.
- The nitration and reduction of piperonal in different experiment conditions were investigated. Thus, the high yield of medical intermediate 6-aminopiperonal is obtained. 以胡椒醛为原料，用不同的实验条件探索胡椒醛的硝化和还原，从而得出产率高标题化合物的医药中间体.
- The production and market of vanillin, ethyl - vanillin and piperonal are briefly described. The problem of environmental pollution is also discussed. 简单介绍了香草醛、乙基香草醛、洋茉莉醛等芳醛的生产、市场情况。对存在的环境污染问题进行了讨论。
- Dimethyl 6,7 methylenedioxyquinoline was prepared from piperonal with good yield(74.6%).The synthetic route consists of nitration, reduction and condensation. 以胡椒醛为原料;经硝化;还原;缩合;制备了标题化合物;产率74.;6
- The nitration and reduction of piperonal in different experiment conditions were investigated. Thus, the high yield of medical intermediate 6 - aminopiperonal is obtained. 以胡椒醛为原料，用不同的实验条件探索胡椒醛的硝化和还原，从而得出产率高标题化合物的医药中间体。
- In this paper,the character and the application of piperonal were introduced.The various synthefic methods of piperoral are investigated in brief,and a new electrooxidation method is come up. 综述了胡椒醛的天然来源、各种不同的合成方法及其性质和主要用途;并重点阐述了电化学方法合成胡椒醛的进展;提出了合成胡椒醛的新方法.
- The polarizatic curves of the electrolytic reaction system were determined.By analysing the curves, the optimum condition for electrolytic synthesis of piperonal could be achieved. 用电化学方法测定反应体系的极化曲线，通过分析极化曲线得出电解合成洋茉莉醛的最优条件。
- More than 95% of Raspberry ketone, Piperonal, Modafinil have been exported to the Europe and America and South Eastern Asian countries and enjoy an excellent fame in the overseas market. 覆盆子酮、洋茉莉醛、莫达非尼产品95%25以上出口，远销欧美及东南亚各国，在国外市场上享有盛誉。
- Mei Luo, Huaizho Ma ,Qingde Su,et al., "Synthesis and Characterization of Rare Earth Complexes Containing Piperonal Dimethyl Acetal and Dicyclopentadienyl", Asia Journal Chemistry ,14(3-4) 2002 1463. 马怀柱，张武，蔡跃鹏，“二甲基硅桥联双芴基钇氯化物的合成与结构”，化学通报，1999(11),38
- nicotinaldehyde thiosemicarbazone 烟碱醛缩氨基硫脲
- Schiff base containning thiosemicarbazone; 缩氨基硫脲希夫碱；
- 4-acetylaminobenzaldehyde thiosemicarbazone 氨硫脲
- asymmetric bis(thiosemicarbazone) 不对称双缩二氨基硫脲
